A headset with both a bone conduction speaker (1) and a microphone (2) is: excellent in fittingness to a wearer's head; free from any feeling of physical disorder; comfortable in use for a long period of time; and, substantially free from howling produced between the bone conduction speaker (1) and the microphone (2), and has its headband (3) run round the back part and the top part of the head. The headband (3) has its opposite ends carry a pair of head pads (5) held in abutting contact with opposite sides of the head. At least one of the head pads (5) carries both the bone conduction speaker (1) and the microphone (2).
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June 23, 1999
September 24, 2002
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